WL#12445 Improve Windows named pipe access control
introduced new instrumented read write locks,
hitting the current limit in the performance schema:
  PFS_MAX_RWLOCK_CLASS 40

This fix increases PFS_MAX_RWLOCK_CLASS to 50,
and adjusts all tests results accordingly.

(cherry picked from commit 4afa5c6941261d0deef272d64ba5ba2e2c8402d0)